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Validity of Urinary Catheter Specimen for Diagnosis of Urinary Tract Infection in the Elderly
Dale Grahn, MD;
Dean C. Norman, MD;
Maurice L. White, PhD;
Mira Cantrell, MD;
Thomas T. Yoshikawa, MD
Arch Intern Med. 1985;145(10):1858-1860.
Abstract
• Twenty elderly nursing home patients with long-term indwelling bladder catheters were studied to evaluate the validity of the microbiology of urine samples obtained from catheters that had not been changed for at least 30 days. Paired urine samples from "old" catheters and newly inserted catheters were compared for quantitative and qualitative microbiology. Urine microbiology for old catheters was highly sensitive but had poor specificity.
(Arch Intern Med 1985;145:1858-1860)
Author Affiliations
From the Geriatric Research, Education and Clinical Center (GRECC) and Laboratory Service, Veterans Administration West Los Angeles Medical Center (Drs Grahn, Norman, White, Cantrell, and Yoshikawa), and Multicampus Division of Geriatric Medicine and Department of Medicine, UCLA School of Medicine (Drs Grahn, Norman, Cantrell, and Yoshikawa), Los Angeles.
Footnotes
Accepted for publication Dec 7, 1984.
Reprint requests to GRECC (691/W11G), Veterans Administration West Los Angeles Medical Center, Los Angeles, CA 90073 (Dr Yoshikawa).
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